PaperMC/Spigot-Server-Patches/0274-Implement-EntityKnockbackByEntityEvent.patch
Zach Brown 8ed2992da9
Make scan-for-legacy-ender-dragon config work again
Portion of diff was dropped in the mappings update commit.

Also remove the option to remove invalid statistics. The server will
automatically do this now as of... 1.13?, our option wasn't even doing anything.
2018-12-14 20:17:27 -05:00

46 lines
1.9 KiB
Diff

From 387b89e5a2142154b75d78517dd7308cda269adb Mon Sep 17 00:00:00 2001
From: Brokkonaut <hannos17@gmx.de>
Date: Mon, 18 Jun 2018 15:46:23 +0200
Subject: [PATCH] Implement EntityKnockbackByEntityEvent
This event is called when an entity receives knockback by another entity.
diff --git a/src/main/java/net/minecraft/server/EntityLiving.java b/src/main/java/net/minecraft/server/EntityLiving.java
index 67ed48652..8aef335a1 100644
--- a/src/main/java/net/minecraft/server/EntityLiving.java
+++ b/src/main/java/net/minecraft/server/EntityLiving.java
@@ -1251,6 +1251,12 @@ public abstract class EntityLiving extends Entity {
this.impulse = true;
float f1 = MathHelper.sqrt(d0 * d0 + d1 * d1);
+ // Paper start - preserve old velocity
+ double oldMotX = this.motX;
+ double oldMotY = this.motY;
+ double oldMotZ = this.motZ;
+ // Paper end
+
this.motX /= 2.0D;
this.motZ /= 2.0D;
this.motX -= d0 / (double) f1 * (double) f;
@@ -1263,6 +1269,18 @@ public abstract class EntityLiving extends Entity {
}
}
+ // Paper start - call EntityKnockbackByEntityEvent
+ org.bukkit.util.Vector delta = new org.bukkit.util.Vector(this.motX - oldMotX, this.motY - oldMotY, this.motZ - oldMotZ);
+ // Restore old velocity to be able to access it in the event
+ this.motX = oldMotX;
+ this.motY = oldMotY;
+ this.motZ = oldMotZ;
+ if (entity == null || new com.destroystokyo.paper.event.entity.EntityKnockbackByEntityEvent((LivingEntity) getBukkitEntity(), entity.getBukkitEntity(), f, delta).callEvent()) {
+ this.motX += delta.getX();
+ this.motY += delta.getY();
+ this.motZ += delta.getZ();
+ }
+ // Paper end
}
}
--
2.20.0